111935115923 has 2 divisors, whose sum is σ = 111935115924. Its totient is φ = 111935115922.

The previous prime is 111935115893. The next prime is 111935115947. The reversal of 111935115923 is 329511539111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111935115923 is a prime.

It is not a weakly prime, because it can be changed into another prime (111935115323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55967557961 + 55967557962.

It is an arithmetic number, because the mean of its divisors is an integer number (55967557962).

Almost surely, 2^111935115923 is an apocalyptic number.

111935115923 is a deficient number, since it is larger than the sum of its proper divisors (1).

111935115923 is an equidigital number, since it uses as much as digits as its factorization.

111935115923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 41.

The spelling of 111935115923 in words is "one hundred eleven billion, nine hundred thirty-five million, one hundred fifteen thousand, nine hundred twenty-three".